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FR2295824A1 - METHOD AND APPARATUS FOR MACHINING A FLEXIBLE LENS - Google Patents

METHOD AND APPARATUS FOR MACHINING A FLEXIBLE LENS

Info

Publication number
FR2295824A1
FR2295824A1 FR7539293A FR7539293A FR2295824A1 FR 2295824 A1 FR2295824 A1 FR 2295824A1 FR 7539293 A FR7539293 A FR 7539293A FR 7539293 A FR7539293 A FR 7539293A FR 2295824 A1 FR2295824 A1 FR 2295824A1
Authority
FR
France
Prior art keywords
machining
flexible lens
lens
flexible
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7539293A
Other languages
French (fr)
Other versions
FR2295824B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Silicones Corp
Original Assignee
Dow Corning Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Corning Corp filed Critical Dow Corning Corp
Publication of FR2295824A1 publication Critical patent/FR2295824A1/en
Application granted granted Critical
Publication of FR2295824B1 publication Critical patent/FR2295824B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
    • B24B9/142—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms for contact lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
FR7539293A 1974-12-23 1975-12-22 METHOD AND APPARATUS FOR MACHINING A FLEXIBLE LENS Granted FR2295824A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/535,870 US3971163A (en) 1974-12-23 1974-12-23 Abrasive tape apparatus for contouring a flexible lens

Publications (2)

Publication Number Publication Date
FR2295824A1 true FR2295824A1 (en) 1976-07-23
FR2295824B1 FR2295824B1 (en) 1979-02-02

Family

ID=24136139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7539293A Granted FR2295824A1 (en) 1974-12-23 1975-12-22 METHOD AND APPARATUS FOR MACHINING A FLEXIBLE LENS

Country Status (10)

Country Link
US (1) US3971163A (en)
JP (1) JPS5179095A (en)
BE (1) BE836928A (en)
CA (1) CA1026561A (en)
CH (1) CH608409A5 (en)
DE (2) DE7532530U (en)
FR (1) FR2295824A1 (en)
GB (1) GB1464210A (en)
NL (1) NL7514911A (en)
SE (1) SE7514362L (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586052B2 (en) * 1976-09-06 1983-02-02 日産自動車株式会社 Air fuel ratio control device
US4642439A (en) * 1985-01-03 1987-02-10 Dow Corning Corporation Method and apparatus for edge contouring lenses
DE3514414A1 (en) * 1985-04-20 1986-10-23 Agfa-Gevaert Ag, 5090 Leverkusen Process and apparatus for machining the edges of elastic, curved shaped elements
US4930259A (en) * 1988-02-19 1990-06-05 Magnetic Perpherals Inc. Magnetic disk substrate polishing assembly
DE3927085A1 (en) * 1989-08-17 1991-02-21 Krupp Maschinentechnik DEBURRING DEVICE FOR PLASTIC WORKPIECES
US5012618A (en) * 1989-12-21 1991-05-07 Hmt Technology Corporation Magnetic disc surface treatment and apparatus
EP0517594B1 (en) * 1991-06-06 1995-12-13 Commissariat A L'energie Atomique Polishing machine with a tensioned finishing belt and an improved work supporting head
CA2163761A1 (en) * 1993-05-26 1994-12-08 Michael V. Mucci Method of providing a smooth surface on a substrate
US5403227A (en) * 1993-08-06 1995-04-04 The Whitaker Corporation Machine for grinding and polishing terminated fiber optic cables
US5727989A (en) * 1995-07-21 1998-03-17 Nec Corporation Method and apparatus for providing a workpiece with a convex tip
US5776506A (en) * 1996-10-02 1998-07-07 Tcg International Inc. Windshield repair apparatus including crack repair fixture and method
US6520833B1 (en) * 2000-06-30 2003-02-18 Lam Research Corporation Oscillating fixed abrasive CMP system and methods for implementing the same
US6609958B2 (en) 2000-12-21 2003-08-26 Bausch & Lomb Incorporated Apparatus and method for edging a contact lens
AU2003279073A1 (en) * 2002-09-30 2004-04-23 3Dm Technologies, Inc. Production apparatus for forming plastic molded articles
JP4180409B2 (en) * 2003-03-17 2008-11-12 株式会社日立ハイテクノロジーズ Polishing apparatus and magnetic disk manufacturing method using the polishing apparatus
US20060001186A1 (en) * 2004-06-30 2006-01-05 Richardson Gary A IOL and method of manufacturing an IOL
CN107838796A (en) * 2017-12-05 2018-03-27 江苏惠斯通机电科技有限公司 Liquefied petroleum gas tests copper sheet burnishing device
CN112720159B (en) * 2020-12-25 2022-02-11 重庆交通职业学院 Automobile clutch plate glue brushing machine
CN113021116A (en) * 2021-01-20 2021-06-25 余涛 Device for polishing burrs on surface of plywood based on magnetic attraction principle
CN117920855B (en) * 2024-03-22 2024-06-07 新乡市天吉电力设备有限公司 Punching device for channel steel production

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258733A (en) * 1940-08-30 1941-10-14 Gen Motors Corp Sanding machine
US2453972A (en) * 1942-10-13 1948-11-16 Clave Serge Machine for cutting and polishing nonspherical or conical surfaces by means of abrasive band tools
US3238676A (en) * 1962-12-31 1966-03-08 Indiana Contact Lens Inc Method for altering the power of a corneal contact lens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
NL7514911A (en) 1976-06-25
US3971163A (en) 1976-07-27
CH608409A5 (en) 1979-01-15
CA1026561A (en) 1978-02-21
SE7514362L (en) 1976-06-28
AU8531875A (en) 1977-04-07
JPS5179095A (en) 1976-07-09
FR2295824B1 (en) 1979-02-02
BE836928A (en) 1976-06-22
GB1464210A (en) 1977-02-09
DE7532530U (en) 1978-01-26
DE2545796A1 (en) 1976-07-01

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Legal Events

Date Code Title Description
ST Notification of lapse